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Patent Agency Ranking
公开(公告)号：US10828845B2
公开(公告)日：2020-11-10
申请号：US15768212
申请日：2016-10-28
Applicant: NHK Spring Co., Ltd.
Inventor： Takamichi Sano , Kazuhiko Konomi , Satoshi Okabe , Masaru Imamura
Abstract: A wire material for an elastic member includes: inner circumferential-side reinforced fibers that are wound in a spiral form; outer circumferential-side reinforced fibers that are provided on an outer circumference of the inner circumferential-side reinforced fibers; and thermosetting resin that is provided in at least a part of the inner circumferential-side reinforced fibers and the outer circumferential-side reinforced fibers and firmly fixes the reinforced fibers with each other. An angle formed by a winding direction of the inner circumferential-side reinforced fibers and a center axis of the winding is 70° to 110°. A winding direction of the outer circumferential-side reinforced fibers with respect to a center axis of the winding is along a direction of a tensile load applied to the wire material for the elastic member in accordance with a load applying torsional stress to the wire material for the elastic member as an externally applied load.
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公开(公告)号：US20200208702A1
公开(公告)日：2020-07-02
申请号：US15753656
申请日：2016-08-26
Applicant: NHK Spring Co., Ltd.
Inventor： Yoshiki Ono , Kazuhiko Konomi , Takamichi Sano , Satoshi Okabe , Masaru Imamura
Abstract: A wire adapted to an elastic member includes: a core that is made of metal or alloy and is elastically deformable; and an FRP layer configured to cover an outer surface of the core, and including fibers wound around the core, and thermosetting resin provided at least partially to the fibers and fixing the fibers to each other. A winding direction in which the fibers are wound around the core is along a direction of a tensile load out of the tensile load and a compressive load applied to the wire adapted to an elastic member based on a load applied from outside.
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公开(公告)号：US10808784B2
公开(公告)日：2020-10-20
申请号：US16086812
申请日：2017-03-07
Applicant: NHK Spring Co., Ltd.
Inventor： Yoshiki Ono , Kazuhiko Konomi , Takamichi Sano , Masaru Imamura , Toshiaki Maruichi
Abstract: The coil spring according to the present invention is a coil spring that is formed by spirally winding a wire rod and that includes a core that is elastically deformable and a reinforced fiber layer including reinforcing fibers wound around an outer circumference of the core and a thermoset resin that firmly adheres the reinforcing fibers to one another, wherein, in at least a part of a surface layer of the reinforced fiber layer, a content percentage of the reinforcing fibers on an inner circumferential side of the coil spring is larger than a content percentage of the reinforcing fibers on an outer circumferential side of the coil spring.
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公开(公告)号：US20180297297A1
公开(公告)日：2018-10-18
申请号：US15768212
申请日：2016-10-28
Applicant: NHK Spring Co., Ltd.
Inventor： Takamichi Sano , Kazuhiko Konomi , Satoshi Okabe , Masaru Imamura
Abstract: A wire material for an elastic member includes: inner circumferential-side reinforced fibers that are wound in a spiral form; outer circumferential-side reinforced fibers that are provided on an outer circumference of the inner circumferential-side reinforced fibers; and thermosetting resin that is provided in at least a part of the inner circumferential-side reinforced fibers and the outer circumferential-side reinforced fibers and firmly fixes the reinforced fibers with each other. An angle formed by a winding direction of the inner circumferential-side reinforced fibers and a center axis of the winding is 70° to 110°. A winding direction of the outer circumferential-side reinforced fibers with respect to a center axis of the winding is along a direction of a tensile load applied to the wire material for the elastic member in accordance with a load applying torsional stress to the wire material for the elastic member as an externally applied load.
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公开(公告)号：US20190063536A1
公开(公告)日：2019-02-28
申请号：US16086812
申请日：2017-03-07
Applicant: NHK Spring Co., Ltd.
Inventor： Yoshiki Ono , Kazuhiko Konomi , Takamichi Sano , Masaru Imamura , Toshiaki Maruichi
Abstract: A coil spring includes: a core that is elastically deformable; and a reinforced fiber layer including reinforced fibers wound around an outer circumference of the core, and a thermoset resin that firmly adheres the reinforced fibers to one another. In at least a part of a surface layer of the reinforced fiber layer, a content percentage of the reinforced fibers on an inner circumferential side of the coil spring is larger than a content percentage of the reinforced fibers on an outer circumferential side of the coil spring.
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